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KMID : 1159220060010010067
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Journal of Korean Society of Intravascular Neurosurgery
2006 Volume.1 No. 1 p.67 ~ p.71
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A Morphometric Observation of 10 Adult Cadaveric Aortic Arch and Its Major Branches：A View Point of the Neuroendovascular Procedures
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Kim Bum-Tae
Sim Jae-Jun
Lee Chul-Ho
Im Soo-Bin
Shin Won-Han
Park Dae-Kyun
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Abstract
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Objective：The catheterization of brachiocephalic trunk (BCT), left common carotid artery (LCCA) and left subclavian (LSCA) which are originated from the aortic arch (AA) is the primary procedure in the neuroendovascular therapy. The objectives of this observation are to understand the anatomic characteristics of AA and its major branches by morphometric measurement and to build up the base in performing the neuroendovascular procedures safely.
Material and Methods：10 adult cadavers, which had well preserved AA and its major branches, were included in this observation. We observed the course of the vessel (femoral artery~iliac artery~descending aorta). The measurement for external appearances and internal appearances of AA was performed. The variations of BCT, LCCA, LSCA were recorded. The angles at which the major branches arise from AA and the distance of the origin of each branches from the mid-vertebrae line were measured. The authors cut off the aorta along the its curvature and observed the internal appearances of AA. The diameter of the BCT, LCCA, LSCA and the branching angle from AA were measured.
Results：1) External appearance: In 9 cadavers, the BCT, LCCA and LSCA were originated from AA in each. In one cadaver, the BCT and LSCA were originated from AA and the LCCA was originated from the BCT. The curvature of AA showed the variable angle (30-90 degree) to the coronal plane. The major branches were originated from the proximal one third of AA. The BCT was originated from the 1.8 mm right side from the mid-vertebrae line. The LCCA and LSCA were originated in the 11.8 mm and 22.4 mm left side from the mid-vertebrae line in each. 2) Internal appearance : The average diameters of the BCT, LCCA and LSCA were 25.3 mm, 10.2 mm, and 9.2 mm in each. The septa were observed between the each major branches. The average angles at which the BCT, LCCA and LSCA arise from AA were 50, 32.2 and 50.8 degree in each.
Conclusion：A morphometric observation of AA and its major branches can be useful in performing the neuroendovascular procedures. The studies of AA and its major branches with the more cadavers will be needed to have got the detailed information.
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KEYWORD
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Aortic arch, Major branches, Neuroendovascular procedures
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